Water slide or similar article



FIG. 1 is a perspective view of a water slide or similar article showing my new design.

FIG. 2 is a top plan view of a water slide or similar article showing my new design;

FIG. 3 is a bottom plan view of a water slide or similar article showing my new design;

FIG. 4 is an elevation view, taken in the direction of the arrow "4" in FIG. 2.

FIG. 5 is an elevation view, taken in the direction of the arrow "5" in FIG. 2.

FIG. 6 is an elevation view, taken in the direction of the arrow "6" in FIG. 2.

FIG. 7 is an elevation view, taken in the direction of the arrow "7" in FIG. 2. 

The ornamental design for a water slide or similar article, substantially as shown and described. 